Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues	$ 7,388,664	$ 7,163,674	$ 6,305,840
Interest expense	(25,380)	(25,081)	(24,185)
Income before taxes	1,025,795	959,732	846,911
Income tax expense	(147,256)	(162,535)	(309,390)
Net income	$ 878,539	$ 797,197	$ 537,521
Basic earnings per share	$ 241.31	$ 219.58	$ 144.00
Diluted earnings per share	$ 221.13	$ 194.80	$ 126.77
Basic weighted average shares outstanding	3,641	3,631	3,733
Diluted weighted average shares outstanding	3,973	4,092	4,240
Homebuilding:
Revenues	$ 7,220,844	$ 7,004,304	$ 6,175,521
Other income	24,779	11,839	6,536
Cost of sales	(5,849,862)	(5,692,127)	(4,990,378)
Selling, general and administrative	(447,547)	(428,874)	(392,272)
Operating income	948,214	895,142	799,407
Interest expense	(24,335)	(24,036)	(23,037)
Income before taxes	923,879	871,106	776,370
Mortgage Banking:
Revenues	167,820	159,370	130,319
Interest income	12,142	11,593	7,850
Other income	2,857	2,546	2,048
General and administrative	(79,858)	(83,838)	(68,528)
Interest expense	(1,045)	(1,045)	(1,148)
Income before taxes	$ 101,916	$ 88,626	$ 70,541